ActivityPub Viewer

A small tool to view real-world ActivityPub objects as JSON! Enter a URL or username from Mastodon or a similar service below, and we'll send a request with the right Accept header to the server to view the underlying object.

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{ "@context": [ "https://www.w3.org/ns/activitystreams", { "ostatus": "http://ostatus.org#", "atomUri": "ostatus:atomUri", "inReplyToAtomUri": "ostatus:inReplyToAtomUri", "conversation": "ostatus:conversation", "sensitive": "as:sensitive", "toot": "http://joinmastodon.org/ns#", "votersCount": "toot:votersCount", "Hashtag": "as:Hashtag" } ], "id": "https://me.dm/users/KronoMoon/statuses/114014380782288897", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-02-16T15:56:26Z", "url": "https://me.dm/@KronoMoon/114014380782288897", "attributedTo": "https://me.dm/users/KronoMoon", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://me.dm/users/KronoMoon/followers" ], "sensitive": false, "atomUri": "https://me.dm/users/KronoMoon/statuses/114014380782288897", "inReplyToAtomUri": null, "conversation": "tag:me.dm,2025-02-16:objectId=86367909:objectType=Conversation", "content": "<p>  <br />Herman Minkowski&#39;s Space-Time (1908) </p><p><a href=\"https://me.dm/tags/Wikipedia\" class=\"mention hashtag\" rel=\"tag\">#<span>Wikipedia</span></a>: ❛❛ In physics, <a href=\"https://me.dm/tags/MinkowskiSpace\" class=\"mention hashtag\" rel=\"tag\">#<span>MinkowskiSpace</span></a> (or <a href=\"https://me.dm/tags/Minkowski\" class=\"mention hashtag\" rel=\"tag\">#<span>Minkowski</span></a> <a href=\"https://me.dm/tags/SpaceTime\" class=\"mention hashtag\" rel=\"tag\">#<span>SpaceTime</span></a>) is the main <a href=\"https://me.dm/tags/mathematical\" class=\"mention hashtag\" rel=\"tag\">#<span>mathematical</span></a> description of spacetime in the absence of gravitation. ❜❜ </p><p>3-min <a href=\"https://me.dm/tags/video\" class=\"mention hashtag\" rel=\"tag\">#<span>video</span></a>: <a href=\"https://me.dm/tags/Space\" class=\"mention hashtag\" rel=\"tag\">#<span>Space</span></a> &amp; <a href=\"https://me.dm/tags/Time\" class=\"mention hashtag\" rel=\"tag\">#<span>Time</span></a> Are One — Minkowski Spacetime Explained.</p><p>🔗 <a href=\"https://www.youtube.com/watch?v=XgXf2D1p7_Y\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">youtube.com/watch?v=XgXf2D1p7_</span><span class=\"invisible\">Y</span></a> 2023 Feb 16<br />🔗 <a href=\"https://Wikipedia.org/wiki/Minkowski_space\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">Wikipedia.org/wiki/Minkowski_s</span><span class=\"invisible\">pace</span></a> <br />🔗 <a href=\"https://Wikipedia.org/wiki/Hyperspace\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">Wikipedia.org/wiki/Hyperspace</span><span class=\"invisible\"></span></a> … <a href=\"https://me.dm/tags/Hyperspace\" class=\"mention hashtag\" rel=\"tag\">#<span>Hyperspace</span></a> </p><p><a href=\"https://me.dm/tags/Community\" class=\"mention hashtag\" rel=\"tag\">#<span>Community</span></a> <a href=\"https://me.dm/tags/TimeTravel\" class=\"mention hashtag\" rel=\"tag\">#<span>TimeTravel</span></a> <a href=\"https://me.dm/tags/Research\" class=\"mention hashtag\" rel=\"tag\">#<span>Research</span></a> <a href=\"https://me.dm/tags/math\" class=\"mention hashtag\" rel=\"tag\">#<span>math</span></a> <a href=\"https://me.dm/tags/physics\" class=\"mention hashtag\" rel=\"tag\">#<span>physics</span></a> <a href=\"https://me.dm/tags/relativity\" class=\"mention hashtag\" rel=\"tag\">#<span>relativity</span></a> <a href=\"https://me.dm/tags/quantum\" class=\"mention hashtag\" rel=\"tag\">#<span>quantum</span></a> <a href=\"https://me.dm/tags/gravity\" class=\"mention hashtag\" rel=\"tag\">#<span>gravity</span></a> <a href=\"https://me.dm/tags/WelcomeTimeTravelers\" class=\"mention hashtag\" rel=\"tag\">#<span>WelcomeTimeTravelers</span></a> <a href=\"https://me.dm/tags/2025Mar14\" class=\"mention hashtag\" rel=\"tag\">#<span>2025Mar14</span></a> <a href=\"https://me.dm/tags/Kronodon\" class=\"mention hashtag\" rel=\"tag\">#<span>Kronodon</span></a></p>", "contentMap": { "en": "<p>  <br />Herman Minkowski&#39;s Space-Time (1908) </p><p><a href=\"https://me.dm/tags/Wikipedia\" class=\"mention hashtag\" rel=\"tag\">#<span>Wikipedia</span></a>: ❛❛ In physics, <a href=\"https://me.dm/tags/MinkowskiSpace\" class=\"mention hashtag\" rel=\"tag\">#<span>MinkowskiSpace</span></a> (or <a href=\"https://me.dm/tags/Minkowski\" class=\"mention hashtag\" rel=\"tag\">#<span>Minkowski</span></a> <a href=\"https://me.dm/tags/SpaceTime\" class=\"mention hashtag\" rel=\"tag\">#<span>SpaceTime</span></a>) is the main <a href=\"https://me.dm/tags/mathematical\" class=\"mention hashtag\" rel=\"tag\">#<span>mathematical</span></a> description of spacetime in the absence of gravitation. ❜❜ </p><p>3-min <a href=\"https://me.dm/tags/video\" class=\"mention hashtag\" rel=\"tag\">#<span>video</span></a>: <a href=\"https://me.dm/tags/Space\" class=\"mention hashtag\" rel=\"tag\">#<span>Space</span></a> &amp; <a href=\"https://me.dm/tags/Time\" class=\"mention hashtag\" rel=\"tag\">#<span>Time</span></a> Are One — Minkowski Spacetime Explained.</p><p>🔗 <a href=\"https://www.youtube.com/watch?v=XgXf2D1p7_Y\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">youtube.com/watch?v=XgXf2D1p7_</span><span class=\"invisible\">Y</span></a> 2023 Feb 16<br />🔗 <a href=\"https://Wikipedia.org/wiki/Minkowski_space\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">Wikipedia.org/wiki/Minkowski_s</span><span class=\"invisible\">pace</span></a> <br />🔗 <a href=\"https://Wikipedia.org/wiki/Hyperspace\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">Wikipedia.org/wiki/Hyperspace</span><span class=\"invisible\"></span></a> … <a href=\"https://me.dm/tags/Hyperspace\" class=\"mention hashtag\" rel=\"tag\">#<span>Hyperspace</span></a> </p><p><a href=\"https://me.dm/tags/Community\" class=\"mention hashtag\" rel=\"tag\">#<span>Community</span></a> <a href=\"https://me.dm/tags/TimeTravel\" class=\"mention hashtag\" rel=\"tag\">#<span>TimeTravel</span></a> <a href=\"https://me.dm/tags/Research\" class=\"mention hashtag\" rel=\"tag\">#<span>Research</span></a> <a href=\"https://me.dm/tags/math\" class=\"mention hashtag\" rel=\"tag\">#<span>math</span></a> <a href=\"https://me.dm/tags/physics\" class=\"mention hashtag\" rel=\"tag\">#<span>physics</span></a> <a href=\"https://me.dm/tags/relativity\" class=\"mention hashtag\" rel=\"tag\">#<span>relativity</span></a> <a href=\"https://me.dm/tags/quantum\" class=\"mention hashtag\" rel=\"tag\">#<span>quantum</span></a> <a href=\"https://me.dm/tags/gravity\" class=\"mention hashtag\" rel=\"tag\">#<span>gravity</span></a> <a href=\"https://me.dm/tags/WelcomeTimeTravelers\" class=\"mention hashtag\" rel=\"tag\">#<span>WelcomeTimeTravelers</span></a> <a href=\"https://me.dm/tags/2025Mar14\" class=\"mention hashtag\" rel=\"tag\">#<span>2025Mar14</span></a> <a href=\"https://me.dm/tags/Kronodon\" class=\"mention hashtag\" rel=\"tag\">#<span>Kronodon</span></a></p>" }, "updated": "2025-02-16T16:10:02Z", "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://me.dm/tags/minkowskispace", "name": "#minkowskispace" }, { "type": "Hashtag", "href": "https://me.dm/tags/minkowski", "name": "#minkowski" }, { "type": "Hashtag", "href": "https://me.dm/tags/spacetime", "name": "#spacetime" }, { "type": "Hashtag", "href": "https://me.dm/tags/mathematical", "name": "#mathematical" }, { "type": "Hashtag", "href": "https://me.dm/tags/wikipedia", "name": "#wikipedia" }, { "type": "Hashtag", "href": "https://me.dm/tags/video", "name": "#video" }, { "type": "Hashtag", "href": "https://me.dm/tags/space", "name": "#space" }, { "type": "Hashtag", "href": "https://me.dm/tags/time", "name": "#time" }, { "type": "Hashtag", "href": "https://me.dm/tags/hyperspace", "name": "#hyperspace" }, { "type": "Hashtag", "href": "https://me.dm/tags/community", "name": "#community" }, { "type": "Hashtag", "href": "https://me.dm/tags/timetravel", "name": "#timetravel" }, { "type": "Hashtag", "href": "https://me.dm/tags/research", "name": "#research" }, { "type": "Hashtag", "href": "https://me.dm/tags/math", "name": "#math" }, { "type": "Hashtag", "href": "https://me.dm/tags/physics", "name": "#physics" }, { "type": "Hashtag", "href": "https://me.dm/tags/relativity", "name": "#relativity" }, { "type": "Hashtag", "href": "https://me.dm/tags/quantum", "name": "#quantum" }, { "type": "Hashtag", "href": "https://me.dm/tags/gravity", "name": "#gravity" }, { "type": "Hashtag", "href": "https://me.dm/tags/welcometimetravelers", "name": "#welcometimetravelers" }, { "type": "Hashtag", "href": "https://me.dm/tags/2025mar14", "name": "#2025mar14" }, { "type": "Hashtag", "href": "https://me.dm/tags/kronodon", "name": "#kronodon" } ], "replies": { "id": "https://me.dm/users/KronoMoon/statuses/114014380782288897/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://me.dm/users/KronoMoon/statuses/114014380782288897/replies?min_id=114014391977095533&page=true", "partOf": "https://me.dm/users/KronoMoon/statuses/114014380782288897/replies", "items": [ "https://me.dm/users/KronoMoon/statuses/114014391977095533" ] } } }